VAG KKL COM 409+ FIAT ECU SCAN with Switch  FT232RL 

Workable Model
This diagnostic cable is usable for ISO9141 and KWP2000 transmission protocol like used for example by: 
• Volkswagen 
• Audi 
• Skoda 
• Seat
 
Reference Data
1.This cable can not work if your car uses a protocol/bussystem like VPW, PWM or CAN-bus. 
2. Terminal K = Bus of communication 
3. Terminal L = Ignition for waking up car computing system (ECU: Engine Control Unit) 
4. Existed 3 different protocols with same OBD2 connector incl. ISO/KWP, VPW, PMW 
5. This K/L Diagnostic interface & cables work on ISO/KWP (Key Word Protocol) launched after 1996 only. 
6. Supported also ISO9141 protocol 
7.The Cables may work with some versions of the Carsoft, but carsoft used a lot of different interfaces during the different versions and alsohad some custom interfaces.

VAG-COM shareware download: 
http://www.ross-tech.com/vag-com/download/ Applications of the VAG-COM: 
http://www.ross-tech.com/vag-com/download/ 
Read & erase error code, log data e.g., speed, gasoline-consume, engine-rotating (RPM: Rotation Per Minutes)